Car is 95 cirrus, auto, 2.5 V6, 85000 miles

Car stuck in limp mode

Proper fluid is in tranny, changed recently in order to fix leaky gasket and change filter

Codes:
36 fault immediately after shift
53 3rd gear ratio error
35 loss of prime
74 calculated oil temperature in use
12 battery disconnect

CVIs:
51 LR
100OD
51 2-4
43 ??? - whatever the last one is?

Any help or suggestions appreciated !!!